@article{10_4064_cm_47_1_119_122,
     author = {Masae Sato and Ryotaro Sato},
     title = {A simple proof of the {Chui-Smith} theorem on {Landau's} problem},
     journal = {Colloquium Mathematicum},
     pages = {119--122},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {1982},
     doi = {10.4064/cm-47-1-119-122},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-47-1-119-122/}
}